Catalyst



. Zinc p osphate-- Patented May is, 1939 UNITED'STATES PATENT OFFICE'JamesltRosaEdgewoi-thl'a.

No Drawing. Application November 22, 1937. Serial No. 175,885

' This invention relates to a catalyst which has been found to beparticularly advantageous in the treatment of gases resulting from therefining of crude oil for the purpose of obtaining therefrom hydrocarbonliquid polymers suitable for motor fuel.

As is well known, the different oil fields produce crude oils thatdiifer quite widely in their content of saturates and unsaturates, witha resultant variation in the content of the gases resulting from therefining of such crudes. It is particularly important,in the treatmentof these gases for the purpose of obtaining liquid hydrocarbon polymerssuch as referred to, to be able to employ therewith a catalyst which iscapable of operating efllciently on all such gases.

The catalyst described herein accomplishes this result in a mosteffective manner. It comprises a mixture of naturalphosphate rock, zincphosphate, a halide of barium, and carnotite, in the followingproportions by weight: I

- Parts by weight Natural phosphate rocln e .i 20 to Carnotite ore 20 to100 5 to 20 Barium halide--- 3 to 12 While theproportions set forth havebeen found to give quite satisfactory results in the treatment of theaforesaid gases, I have obtained the best results by a mixture of theingredien in the following proportions by weight:

a Parts by weight Natural phosphate rock 4Q Carnotite or Y Y 0 Zincphospha 10 Barium halide s (The halide of beam which the chloride.) Ihave found that the mixture of the foregoing ingredients produces acatalyst of extraordinarystrength and vitality. 'Ihe barium-chloridefunc-' ory nut. I also prefer to use phosphate rock in the formoflumps-od aboutthesamesizeasthe rpreieriemeu lumps of carnotite. Thezinc phosphate is used in powdered form and the barium chloride in itscrystalline form, the particles of the latter being about the size ofcoarse salt. gredients are mixed in a s My catalyst is practicallyindestructible and e foregoing in-- will last from five to ten times aslong, without of crude-oil refinery gases containing saturates andunsaturates into hydrocarbon liquid polymers, said catalyst comprising amixture of the following ingredients in substantially the followingproportions by weight:

' Partsby weight Natural phosphate-rock 20 to 100 Oamotite ore 20 to 100Zinc phosphate.. 5 to. 20 Barium halide 8 to 12 2. A catalyst suitablefor use in the conversion of crude-oil refinery gases containingsaturates and unsaturates into hydrocarbon liquid polymers, saidcatalyst comprising a mixture of the following ingredients inslflistantially the fol-.

lowing proportions by weight: I

g Parts by weight Natural phosphate rock 40 Carnotite ore 40 Zincphosphate 10 Barium halide 6 8Q Acatalyst suitable forum in theconversion -of crude-oil refinery gases containing saturates andunsaturates into hydrocarbon -liquid polymers, said catalyst comprisinga mixture of the following ingredients in substantially the followingproportions byweight:

Parts byweight Barium chloride 6' JLIIB R. R083.

